downloader（downloader 开发）

downloader

Download a file from a given URL and save it to a specified local path. Supports any file type accessible via HTTP/HTTPS.

When to Use

✅ USE this skill when:

• When the user wants to download a file from a URL to the local machine.
• When the user needs to save a remote resource (image, audio, video, document, etc.) locally.
• When the user provides a download link and wants to store the file at a specific path.

When NOT to Use

❌ DON'T use this skill when:

• When the user only wants to view or read a URL content without saving to disk.

Parameters

Commands

Basic Call

python3 scripts/download.py --url 'https://example.com/file.png'

Save to a specific path

python3 scripts/download.py --url 'https://example.com/file.png' --save_path './downloads/image.png'

Examples

"Help me download this image."

python3 scripts/download.py --url 'https://example.com/photo.jpg'

"Download this PDF and save it to the reports folder."

python3 scripts/download.py --url 'https://example.com/report.pdf' --save_path './reports/report.pdf'

Response

Script outputs JSON to stdout:

• code = 0 — success, data contains the local file path where the file was saved
• code != 0 — error, show message to the user and suggest retrying

{
  "code": 0,
  "message": "success",
  "data": "./downloads/file.png"
}

Notes

• Requires requests package: pip install requests